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公开(公告)号：US12237503B2
公开(公告)日：2025-02-25
申请号：US17594477
申请日：2021-06-28
Applicant: HAINAN UNIVERSITY
IPC: H01M4/38 , H01M4/02 , H01M4/04 , H01M4/62 , H01M4/66 , H01M4/74 , H01M10/04 , H01M10/054 , H01M10/36 , H01M50/126
Abstract: A preparation method of zinc-carbon composite electrode material for zinc ion energy storage device, which includes preparing a zinc-carbon composite negative electrode material, preparing an electrode paste, and preparing a battery electrode; the zinc-carbon composite negative electrode material provided in the present invention can enhance a capacity of the zinc ion energy storage device, enhance a cycle stability of the device, has strong expandability, significantly improves the performance of the zinc ion energy storage device, increases the energy density and prolong the service life, and is easy to be popularized on a large scale.
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公开(公告)号：US20250062513A1
公开(公告)日：2025-02-20
申请号：US18715483
申请日：2022-12-02
Applicant: AMERICAN LITHIUM ENERGY CORPORATION
Inventor： Jiang FAN , Christopher KOMPELLA
IPC: H01M50/574 , H01M4/66
Abstract: A battery cell may include an electrolyte, a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode. One or both of the first electrode and the second electrode may include a multifunctional safety layer interposed between an electrode layer and a current collector. The multifunctional safety layer may include a protective layer and a safety layer. The safety layer may respond to a first trigger by interrupting current flow within the battery cell. The protective layer may prevent a reaction between the safety layer and the electrolyte and/or the electrode layer of the battery cell. The protective layer may respond to a second trigger by exposing the safety layer to the electrolyte and/or the electrode layer of the battery cell. The resulting physical and/or chemical reactions may interrupt the current flow in the battery cell.
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公开(公告)号：US20250062326A1
公开(公告)日：2025-02-20
申请号：US18934479
申请日：2024-11-01
Applicant: Graphenix Development, Inc.
Inventor： Terrence R. O'Toole , John C. Brewer , Paul D. Garman , Robert G. Anstey
IPC: H01M4/36 , H01G11/26 , H01G11/36 , H01G11/68 , H01G11/70 , H01M4/02 , H01M4/04 , H01M4/134 , H01M4/38 , H01M4/58 , H01M4/66 , H01M10/0525
Abstract: A lithium-ion battery may include a cathode, an anode, and a polymer electrolyte. The anode may include a current collector. A patterned lithium storage structure may overlay a patterned current collector. The patterned lithium storage structure may include first regions of a lithium storage material characterized by a first pattern. The patterned current collector may include second regions of recessed portions characterized by a second pattern complementary to the first pattern. The lithium storage material may include at least 40 atomic % amorphous silicon. These and other anodes and lithium-ion batteries are described.
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公开(公告)号：US20250062316A1
公开(公告)日：2025-02-20
申请号：US18719746
申请日：2021-12-17
Applicant: GRAPHENIX DEVELOPMENT, INC.
Inventor： Terrence R. O'Toole , John C. Brewer , Paul D. Garman , Robert G. Anstey , Kevin Tanzil
Abstract: An anode for an energy storage device includes a current collector having an electrically conductive layer, a first surface characterized by a first pattern, and a second surface characterized by a complementary second pattern. The anode further includes a patterned lithium storage structure comprising a continuous porous lithium storage layer disposed over the current collector in a pattern corresponding to the first pattern. A method of making an anode for use in an energy storage device includes providing a current collector having an electrically conductive layer, a first surface characterized by a first pattern, and a second surface characterized by a complementary second pattern. A continuous porous lithium storage layer is formed by chemical vapor deposition over the first surface by exposing the current collector to a lithium storage material precursor gas.
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公开(公告)号：US20250059665A1
公开(公告)日：2025-02-20
申请号：US18722176
申请日：2022-12-20
Inventor： Zhe Li , Zhiquan Liu , Liyin Gao , Rong Sun
Abstract: An electrolytic solution for a copper foil, and the preparation and use of an electrolytic copper foil. The electrolytic solution for a copper foil comprises an additive, wherein the additive comprises an inhibitor and an auxiliary agent. The auxiliary agent comprises at least one of polystyrene sulfonate, polyethylene sulfonate, alkyl sulfonate and alkylbenzene sulfonate, wherein both the alkyl sulfonate and the alkyl benzene sulfonate have ≥12 carbon atoms. By means of simple and convenient chemical regulation and control means such as the selection and combination of additives for an electrolytic (electroplating) solution, a pre-electroplated copper material resulting from electroplating using the electrolytic solution can form a high-proportion annealing twin boundary after a heat treatment at a temperature of ≥200° C., and has the unique mechanical characteristic of “annealing-induced strengthening and toughening”.
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Patent Agency Ranking
公开(公告)号：US20250059060A1
公开(公告)日：2025-02-20
申请号：US18720477
申请日：2023-01-18
Applicant: Georgia Tech Research Corporation
Inventor： Meilin Liu , Tongtong Li , Gyutae Nam , Bote Zhao
Abstract: In a method of making an electrode, a binder is dissolved in a solvent to form a solution. An Nb2O5 hydrate-based electrode material powder is suspended in the solution to form a slurry. A predetermined thickness of the slurry is dispensed onto a conductive member so that the slurry has a mass loading in a range of 1 mg cm−2 to 2 mg cm−2. The conductive member and the slurry are dried to form the electrode. A battery includes an anode, a cathode, an electrolyte and a separator. The anode includes a graphite-modified Nb2O5 composite electrode material powder applied to a conductive member. The electrolyte is in electrical communication with the anode and the cathode. The separator is permeable to the electrolyte and is disposed between the anode from the cathode.
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公开(公告)号：US12230784B2
公开(公告)日：2025-02-18
申请号：US17417555
申请日：2019-12-19
Applicant: LG ENERGY SOLUTION, LTD.
Inventor： Jeongbeom Lee
IPC: H01M4/134 , H01M4/136 , H01M4/38 , H01M4/505 , H01M4/525 , H01M4/66 , H01M10/052 , H01M10/0585 , H01M4/02
Abstract: The present invention relates to a negative electrode for a lithium metal battery, a manufacturing method thereof, and a lithium metal battery including the same.
Specifically, in an embodiment of the present invention, in order to improve conductivity while improving adhesion between the negative electrode current collector and the negative electrode active material of a lithium metal battery, an adhesive layer including a binder and a conductive material is provided between the negative current collector and the negative electrode active material.-
公开(公告)号：US12230761B2
公开(公告)日：2025-02-18
申请号：US17246793
申请日：2021-05-03
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kazuhei Narita , Ryota Tajima
IPC: H01M10/0569 , H01G11/52 , H01G11/60 , H01G11/62 , H01G11/68 , H01G11/78 , H01M4/66 , H01M10/052 , H01M10/0568 , H01M50/136 , H01M50/178 , H01M50/429 , H01M50/44 , H01M50/55 , H01M50/557 , H01M50/119 , H01M50/121 , H01M50/129
Abstract: Provided is a power storage device whose charging and discharging characteristics are unlikely to be degraded by heat treatment or a power storage device that is highly safe against heat treatment. The power storage device includes a positive electrode, a negative electrode, a separator, an electrolyte, and an exterior body. The separator is positioned between the positive electrode and the negative electrode and includes polyphenylene sulfide or cellulosic fiber. The electrolyte includes propylene carbonate, ethylene carbonate, and vinylene carbonate, lithium hexafluorophosphate, and lithium bis(pentafluoroethanesulfonyl)amide. A concentration of lithium hexafluorophosphate with respect to the electrolyte is more than or equal to 0.01 wt % and less than or equal to 1.9 wt % in a weight ratio.
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公开(公告)号：US20250054994A1
公开(公告)日：2025-02-13
申请号：US18797448
申请日：2024-08-07
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Seung Ho CHOI , Ji Sang YU , Woo Suk CHO , Kyung Su KIM
IPC: H01M4/66 , H01M4/02 , H01M10/052 , H01M10/0585 , H01M10/42 , H01M10/44
Abstract: Disclosed are a negative-electrode-free all-solid-state battery and a method for manufacturing the same, in which the negative-electrode-free all-solid-state battery has a coating layer including a lithium alloy derived from a sulfide-based inorganic compound in which a lithium site is doped with a doping element, and thus has excellent electrochemical characteristics and life characteristics.
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公开(公告)号：US20250054973A1
公开(公告)日：2025-02-13
申请号：US18921499
申请日：2024-10-21
Applicant: Ningde Amperex Technology Limited
Inventor： Weiyuan ZHOU , Sen ZHANG , Yajie LI
IPC: H01M4/525 , H01M4/02 , H01M4/04 , H01M4/1391 , H01M4/1393 , H01M4/583 , H01M4/62 , H01M4/66
Abstract: A winding single-sided region starting section of a first current collector, a surface facing the center of an electrode assembly is provided with a first protective layer and a surface facing away from the center of the electrode assembly is provided with a first active material layer; and for a winding single-sided region ending section of a second current collector, a surface facing away from the center of the electrode assembly is provided with a second protective layer, and a surface facing the center of the electrode assembly is provided with a second active material layer. A ratio of a unit area weight of the first protective layer to a unit area weight of the first active material layer is (0.03-0.75):1, and a ratio of a unit area weight of the second protective layer to a unit area weight of the second active material layer is (0.03-0.75):1.
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